Copic Markers Atyou Spica Glitter, Black Atyou spica glitter are available in 24 colors, add sparkle and texture to any project Pigment-based, archival, non-toxic, acid-free, and no-clog nib Writes for over 360 yards - twice the length of other glitter pen The glitter is achieved by the use of micro glass flakes, which are more reflective than glass beads used by other brands